ISRO Scientist or Engineer Electrical 2014

Instructions

For the following questions answer them individually

ISRO Scientist or Engineer Electrical 2014 - Question 31


The moving coil in a dynamometer wattmeter is connected

ISRO Scientist or Engineer Electrical 2014 - Question 32


For an unbalanced fault with paths for zero sequence currents, at the point of fault

ISRO Scientist or Engineer Electrical 2014 - Question 33


An ideal OPAMP is used to make an inverting amplifier. The two input terminals of the OPAMP are at the same potential because,

ISRO Scientist or Engineer Electrical 2014 - Question 34


What is the “swamping” resistance which is connectedin series with the working coil of a voltmeter to drastically reduce the error in measurement caused due to variation in
temperature is made up of?

ISRO Scientist or Engineer Electrical 2014 - Question 35


If the poles of a system lie on the imaginary axis, the system will be:

ISRO Scientist or Engineer Electrical 2014 - Question 36


Which one of the following is the most likely reason for large overshoot in a control system

ISRO Scientist or Engineer Electrical 2014 - Question 37


Which of the following correctly represents the sequence of operations of isolator circuit breaker and earthing switch while opening a circuit

ISRO Scientist or Engineer Electrical 2014 - Question 38


A comparator circuit is used to

ISRO Scientist or Engineer Electrical 2014 - Question 39


Out of the following methods of heating the one which is independent of supply frequency is

ISRO Scientist or Engineer Electrical 2014 - Question 40


An SCR triggered by current pulse applied to gate-cathode can be turned OFF

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